JP3926423B2 - 柔軟なａｄｓｌ受信機、これを利用する中央局およびその方法 - Google Patents

柔軟なａｄｓｌ受信機、これを利用する中央局およびその方法 Download PDF

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Publication number
JP3926423B2
JP3926423B2 JP05718497A JP5718497A JP3926423B2 JP 3926423 B2 JP3926423 B2 JP 3926423B2 JP 05718497 A JP05718497 A JP 05718497A JP 5718497 A JP5718497 A JP 5718497A JP 3926423 B2 JP3926423 B2 JP 3926423B2
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Japan
Prior art keywords
signal
output
adsl
frequency
digital
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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JP05718497A
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English (en)
Japanese (ja)
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JPH09321809A (ja
Inventor
マシュー・エー・リビッキ
マイケル・アール・メイ
マシュー・エー・ペンドルトン
テレンス・エル・ジョンソン
ピーター・アール・モルナー
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NXP USA Inc
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NXP USA Inc
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Publication of JPH09321809A publication Critical patent/JPH09321809A/ja
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2649—Demodulators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
    • H04M11/062—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors using different frequency bands for speech and other data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
    • H04Q11/0435—Details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13034—A/D conversion, code compression/expansion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13107—Control equipment for a part of the connection, distributed control, co-processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/1313—Metering, billing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/1319—Amplifier, attenuation circuit, echo suppressor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13199—Modem, modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13209—ISDN
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13376—Information service, downloading of information, 0800/0900 services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13396—Signaling in general, in-band signalling

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Dc Digital Transmission (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Bidirectional Digital Transmission (AREA)
JP05718497A 1996-03-15 1997-02-26 柔軟なａｄｓｌ受信機、これを利用する中央局およびその方法 Expired - Lifetime JP3926423B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US616818 1996-03-15
US08/616,818 US5742527A (en) 1996-03-15 1996-03-15 Flexible asymmetrical digital subscriber line (ADSL) receiver, central office using same, and method therefor

Publications (2)

Publication Number Publication Date
JPH09321809A JPH09321809A (ja) 1997-12-12
JP3926423B2 true JP3926423B2 (ja) 2007-06-06

Family

ID=24471064

Family Applications (1)

Application Number Title Priority Date Filing Date
JP05718497A Expired - Lifetime JP3926423B2 (ja) 1996-03-15 1997-02-26 柔軟なａｄｓｌ受信機、これを利用する中央局およびその方法

Country Status (4)

Country Link
US (1) US5742527A (de)
EP (1) EP0795984B1 (de)
JP (1) JP3926423B2 (de)
DE (1) DE69738094T2 (de)

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US6128335A (en) * 1997-06-30 2000-10-03 Integrated Telecom Express Software rate adaptable modem with forward compatible and expandable functionality and method of operation
US6065060A (en) * 1997-06-30 2000-05-16 Integrated Telecom Express Modular multiplicative data rate modem and method of operation
US6192399B1 (en) * 1997-07-11 2001-02-20 Inline Connections Corporation Twisted pair communication system
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US6067316A (en) * 1997-11-19 2000-05-23 Globespan, Inc. Circuit for combined xDSL and other services
US6151335A (en) 1997-12-02 2000-11-21 Conexant Systems, Inc. Modulation switching for DSL signal transmission
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DE19805970A1 (de) * 1998-02-13 1999-08-19 Siemens Ag Fernmeldeteilnehmeranschluß sowie Verfahren zum Betrieb desselben
JP3082756B2 (ja) 1998-02-27 2000-08-28 日本電気株式会社 マルチキャリア伝送システム及びその方法
US6704317B1 (en) 1998-05-27 2004-03-09 3Com Corporation Multi-carrier LAN modem server
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US6603811B1 (en) 1998-05-29 2003-08-05 3Com Corporation Low complexity frequency domain equalizer having fast re-lock
US6377683B1 (en) 1998-05-29 2002-04-23 3Com Corporation Low complexity frequency domain echo canceller for DMT transceivers
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US6480510B1 (en) 1998-07-28 2002-11-12 Serconet Ltd. Local area network of serial intelligent cells
JP3191785B2 (ja) * 1998-07-31 2001-07-23 三菱電機株式会社 通信装置および通信方法
US6459684B1 (en) * 1998-10-14 2002-10-01 Lsi Logic Corporation Multiplexed codec for an ADSL system
JP3191783B2 (ja) * 1998-10-29 2001-07-23 三菱電機株式会社 通信装置および通信方法
EP1005203A1 (de) * 1998-11-24 2000-05-31 STMicroelectronics SA DMT DSL Uebertragungssystem für mehrere Standards
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US7512149B2 (en) * 2003-04-23 2009-03-31 At & T Intellectual Property Ii, L.P. Bit and power allocation scheme for full-duplex transmission with echo cancellation in multicarrier-based modems
US6546056B1 (en) 1999-05-28 2003-04-08 3Com Corporation Timing recovery in a multi-tone modem
US6956826B1 (en) 1999-07-07 2005-10-18 Serconet Ltd. Local area network for distributing data communication, sensing and control signals
DE19933485B4 (de) * 1999-07-16 2004-05-13 Infineon Technologies Ag Leitungsabschlußeinrichtung für eine Telefon-Teilnehmeranschlußleitung
US6690677B1 (en) 1999-07-20 2004-02-10 Serconet Ltd. Network for telephony and data communication
US6307903B1 (en) * 1999-07-26 2001-10-23 Telecruz Technology, Inc. Low pass digital filter implemented in a modem of a television system
US8363757B1 (en) 1999-10-12 2013-01-29 Qualcomm Incorporated Method and apparatus for eliminating the effects of frequency offsets in a digital communication system
US6683859B1 (en) 1999-11-12 2004-01-27 Motorola, Inc. Method and apparatus for echo cancellation updates in a multicarrier transceiver system
DE19960559A1 (de) 1999-12-15 2001-07-05 Infineon Technologies Ag Empfangsvorrichtung für winkelmodulierte Signale
US6628673B1 (en) * 1999-12-29 2003-09-30 Atheros Communications, Inc. Scalable communication system using overlaid signals and multi-carrier frequency communication
US6771740B1 (en) * 2000-02-16 2004-08-03 Paradyne Corporation Line sharing multipoint pots splitter controllable line selector
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Also Published As

Publication number Publication date
EP0795984B1 (de) 2007-09-05
JPH09321809A (ja) 1997-12-12
DE69738094T2 (de) 2008-01-10
US5742527A (en) 1998-04-21
DE69738094D1 (de) 2007-10-18
EP0795984A2 (de) 1997-09-17
EP0795984A3 (de) 1999-08-11

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